Yes. They are good.
For one thing, polar bears are always cool! (Unless they are hot because they are kept in a zoo too far south for their liking or so, but then they can go into the water, can't they ).
And then your photos are very nice to look at. The underwater windows are nicely clean (had seen some in another zoo that made taking photos through them IMPOSSIBLE from their being so dirty, grrr!).
I really like the second photo here, still on dry land, and then the underwater pics. That "O2-bubble" in the #3, or the cheeky look in #4, the lovely interaction with the girl in #6 ... a pity that the fish he's out for in #7 is cut in half... but that is hardly your fault, is it?